NVIDIA GeForce 840A vs ATI Radeon HD 2400 PRO

Comparative analysis of NVIDIA GeForce 840A and ATI Radeon HD 2400 PRO videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

NVIDIA GeForce 840A

ATI Radeon HD 2400 PRO

Differences

Reasons to consider the NVIDIA GeForce 840A

Videocard is newer: launch date 6 year(s) 8 month(s) later
Around 96% higher core clock speed: 1029 MHz vs 525 MHz
8.6x more texture fill rate: 17.98 GTexel / s vs 2.1 GTexel / s
9.6x more pipelines: 384 vs 40
20.6x better floating-point performance: 863.2 gflops vs 42 gflops
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 28 nm vs 65 nm
4x more maximum memory size: 1 GB vs 256 MB
2.5x more memory clock speed: 2002 MHz vs 800 MHz
10.4x better performance in PassMark - G3D Mark: 1180 vs 114
7.3x better performance in GFXBench 4.0 - T-Rex (Frames): 3117 vs 426
7.3x better performance in GFXBench 4.0 - T-Rex (Fps): 3117 vs 426

Specifications (specs)
Launch date	17 March 2014 vs 28 June 2007
Core clock speed	1029 MHz vs 525 MHz
Texture fill rate	17.98 GTexel / s vs 2.1 GTexel / s
Pipelines	384 vs 40
Floating-point performance	863.2 gflops vs 42 gflops
Manufacturing process technology	28 nm vs 65 nm
Maximum memory size	1 GB vs 256 MB
Memory clock speed	2002 MHz vs 800 MHz
Benchmarks
PassMark - G3D Mark	1180 vs 114
GFXBench 4.0 - T-Rex (Frames)	3117 vs 426
GFXBench 4.0 - T-Rex (Fps)	3117 vs 426

Reasons to consider the ATI Radeon HD 2400 PRO

Around 65% lower typical power consumption: 20 Watt vs 33 Watt
Around 30% better performance in PassMark - G2D Mark: 346 vs 266

Specifications (specs)
Thermal Design Power (TDP)	20 Watt vs 33 Watt
Benchmarks
PassMark - G2D Mark	346 vs 266

Compare benchmarks

GPU 1: NVIDIA GeForce 840A
GPU 2: ATI Radeon HD 2400 PRO

PassMark - G3D Mark

GPU 1

GPU 2

1180

114

PassMark - G2D Mark

GPU 1

GPU 2

266

346

GFXBench 4.0 - T-Rex (Frames)

GPU 1

GPU 2

3117

426

GFXBench 4.0 - T-Rex (Fps)

GPU 1

GPU 2

3117

426

Name	NVIDIA GeForce 840A	ATI Radeon HD 2400 PRO
PassMark - G3D Mark	1180	114
PassMark - G2D Mark	266	346
Geekbench - OpenCL	5596
GFXBench 4.0 - Car Chase Offscreen (Frames)	2188
GFXBench 4.0 - Car Chase Offscreen (Fps)	2188
GFXBench 4.0 - Manhattan (Frames)	2314
GFXBench 4.0 - Manhattan (Fps)	2314
GFXBench 4.0 - T-Rex (Frames)	3117	426
GFXBench 4.0 - T-Rex (Fps)	3117	426

Compare specifications (specs)

	NVIDIA GeForce 840A	ATI Radeon HD 2400 PRO
Essentials
Architecture	Maxwell	TeraScale
Code name	GM108	RV610
Launch date	17 March 2014	28 June 2007
Place in performance rating	955	958
Type	Desktop	Desktop
Technical info
Boost clock speed	1124 MHz
Core clock speed	1029 MHz	525 MHz
Floating-point performance	863.2 gflops	42 gflops
Manufacturing process technology	28 nm	65 nm
Pipelines	384	40
Texture fill rate	17.98 GTexel / s	2.1 GTexel / s
Thermal Design Power (TDP)	33 Watt	20 Watt
Transistor count		180 million
Video outputs and ports
Display Connectors	No outputs	1x DVI, 1x VGA, 1x S-Video
Compatibility, dimensions and requirements
Interface	PCIe 3.0 x8	PCIe 1.0 x16
Supplementary power connectors		None
API support
DirectX	12.0 (11_0)	10.0
OpenGL	4.6	3.3
Memory
Maximum RAM amount	1 GB	256 MB
Memory bandwidth	16.02 GB / s	6.4 GB / s
Memory bus width	64 Bit	64 Bit
Memory clock speed	2002 MHz	800 MHz
Memory type	DDR3	DDR2